From bf322dfbf37c5b1ea392e6f36775a06cde96a942 Mon Sep 17 00:00:00 2001
From: Benjamin Riefenstahl <b.riefenstahl@turtle-trading.net>
Date: Fri, 10 Dec 2021 20:44:26 +0000
Subject: [PATCH] ape/mkstemp: better options

Use O_EXCL and make the file descriptor writeable.  This is more
usefull and it conforms to Single Unix and other specs.
---
 sys/src/ape/lib/ap/gen/mkstemp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/src/ape/lib/ap/gen/mkstemp.c b/sys/src/ape/lib/ap/gen/mkstemp.c
index ef2169b59..7dd6e2dde 100644
--- a/sys/src/ape/lib/ap/gen/mkstemp.c
+++ b/sys/src/ape/lib/ap/gen/mkstemp.c
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <fcntl.h>
 
 int
 mkstemp(char *template)
@@ -14,7 +15,7 @@ mkstemp(char *template)
    for(i=0; i<20; i++){
        strcpy(s, template);
        mktemp(s);
-       if((fd = creat(s, 0666)) >= 0){
+       if((fd = open(s, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0){
            strcpy(template, s);
            free(s);
            return fd;